On Wednesday, the New York State Department of Health announced that an international traveler from Israel who has the measles flew through Newark Liberty International Airport on Friday and visited a number of locations in Rockland County, potentially exposing others to measles over a four day period.

According to the New York State Department of Health anyone who visited the following locations in Rockland County may have been exposed to measles:

Officials are also working closely with the New Jersey Department of Health to find people who may have been exposed at Newark Liberty International Airport. The traveler arrived in Terminal B and may have traveled to other areas of the airport., officials say.

Anyone who was in the airport on September 28 between 5:30 a.m. and 10:30 a.m. may have been exposed to measles, and if infected could develop symptoms as late as Oct. 19, according to the New York Department of Health.

Everyone exposed to measles, particularly those without immunity or people who aren't sure if they have been vaccinated, should contact their healthcare provider if they develop measles symptoms, officials warn.

Symptoms include a fever, rash, cough, conjunctivitis or a runny nose. Symptoms usually appear 10-12 days after exposure but may appear as early as 7 days and as late as 21 days after exposure.

Measles is a highly contagious respiratory disease caused by a virus that is spread by direct contact with nasal or throat secretions of infected people. People first develop a fever, then often a cough, runny nose and watery eyes, followed by an appearance of a rash. People are considered infectious four days before to four days after the appearance of the rash.